Combined knife and sheath



FIG. 1 is a perspective, exploded view of a combined knife and sheath, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view of the knife;

FIG. 8 is a rear elevational view thereof;

FIG. 9 is a left side elevational view thereof;

FIG. 10 is a right side elevational view thereof. 

The ornamental design for a combined knife and sheath, as shown and described. 